The OAuth 2 authentication plugin enables users to log in using their Google, Microsoft and/or Facebook account. If enabled, when a user first logs in, a new account will be created. Otherwise, they will be prompted to link it to their existing account with the same email address.

Login page with options to log in with an OAuth 2 service

Enabling OAuth 2 authentication

To use OAuth 2 authentication, an administrator must first create the required OAuth 2 services.

Go to 'OAuth 2 services' in Site administration > Server and click the button to create a new service.